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M2 8GB PT42-M Description

M.2 PT42

Compliant with PCI Express specification Rev 2.0

Ultra-small form facotor (22 x 42 mm)

Built-in ATA secure erase and S.M.A.R.T. functions

AHCI Interface support

Introduction

M.2
PCIe SSD adopts PCIe 2.0 interface which has a broadband speed up to
10Gb/s compared to PCIe 1.0. In addition, the additive transmission
efficiency of Gen2x2 enables the sequential read speed up to 530MB/sec,
far more efficient than the theoretical 600MB/sec transmission
performance of SATAIII. M.2 PCIe SSD, on the other hand, is about 40%
smaller than the mSATA SSD module in dimensions of only 22x42mm. The
actual available memory on the device is less than what is listed on
the package. This is due to small discrepancies in file formats and
algorithms used by various operating systems. In addition, a portion of
memory space is reserved for system files and data sectors for better
performance.